Schematic Diagram - Power Board (1/2); Schematic Diagram - Power Board (2/2) - Sony HCD-HDX265 Service Manual

6-36. SCHEMATIC DIAGRAM – POWER Board (2/2) –
1 2 3
A
POWER BOARD
(2/2)
B
IC921
IC B/D POWER CONTROL
IC921
STR-V153
C
1 3 4 5 6 8
2.6 134.7
D
C925
47p
2KV R927
R927
0.82 1W(EXCEPT HDX265:E,AUS)
1 1W(HDX265:E,AUS)
E
UDZW-TE17-10B
Q921
F
2SD1616A-TP-LK
RIPPLE FILTER
23.3
G
C924
R926
2.2 680k
C923 50V C929
4700p 0.1
EB904
(CHASSIS)
H
HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
See page 69 for IC Block Diagrams.
4 5 6
TLP421F(D4-GR)
R925 4.4
10
R929
JW918 R969
2.2
1k
1/2W
2.6
JW987 JW917
TLP421F(D4-GR)
ISOLATOR
JW919
(EXCEPT HDX265:E,AUS)
C928
220p
250V
1 16
EK19LF-F7
2 15
D923 D922
D1NL20U-TR2 R922
RK36LF-B3
4.7
3 14
D943
RK36LF-B3
4
4 13
5 12
24.2
11
23.8
7 10
R923
4.7k
8 9
T902
SUB POWER
TRANSFORMER
C958
C922
0.01
22
100V
C940
3300
10V
7 8 9 10
PC903
ISOLATOR
3.9
2.9
3.9
R956
1k
3
PC902
L947
10uH
L948
C953 10uH
0.001 IC B/D
L944
2KV
10uH +3.3V REGULATOR
L945
13.4
10uH
D944
D941
L942
IC943
EK19LF-F7
9.5
10uH
SI-3010KM-TL
D942
L943
10uH
6.5
L941
10uH
R951 1 2
220
L951
10uH
R955 R952
2.2k
470
C952
R954
0.047
22k
2.3
3
2.4
1
2
C946 C969 C948
R953
1000 470
0.01
3.9k
16V 10V
C967 C944 C941
C968 C960
2200 IC951
0.1 0.01 0.01 1000
16V 25V
SHUNT REGULATOR
IC951
TA76L431S(TPE6,Q)
65 65
HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
11 12 13
RSR025N03TL
B+ SWITCH
IC943
IC B/D
R958
IC942 1k
+5V REGULATOR
IC B/D
IC942
SI-3010KM-TL
+12V REGULATOR
IC941
SI-3010KM-TL
3 4 5
1 2 3 4 5 1 2
R971
0
R946 D945
22k UDZW-TE17
-20B
R945
R948 C949 C970 C947
C954
10k
10k 100 0.01 100
0.1
10V
10V
C955
C945 C971 C942
0.01
470 0.01 470
16V 25V
14 15 16 17
9
7
8
91
6
5
POWER
1 BOARD
(1/2)
4
(Page 64)
3
2
CN906
R966
12P
1k
1 P.CONT1
R967 1k
2
P.CONT2
R968 1k
3
P.CONT3
4 E+4V
Y
5
D+3.3V
6
6V
MAIN
7 D-GND BOARD
(6/13)
8
D+5V
CN506
9
M+8V
(Page
Q945
10 M-GND
40)
11 12V
9.5 0
12 A-GND
11.7
R957
47k
R974
IC941
3.3k
3 4 5
CN903
L952
2P K
10uH
1 DIAT+12V
DIAT CON
2 DIAT GND
BOARD
CN1808
C976 C961
100
R942 C943 0.1 (Page 63)
16V
10k 100
16V
C951
0.1